Каково удлинение горизонтальной пружины жесткостью 60 Н/м, если пружина сообщает тележке массой 600 г ускорение 1, 5 м/с2? Трение не учитывайте.

think of what you should say if:

1.you don't know how to spell a word; 2. you don;t understand what your teacher has just said; 3.you want to get a copy of something; 4.you want to find out how to say something in english; 5.you are late for your english class; 6. you want the teacher to write a word up on the blackboard; 7.you don't know to pronounce a word; 8. you want to know the English word for "землетрясение"; 9. you want to know if it's your turn to read the text; 10.you've left your book at home and want to say you're sorry; 11.you want to know how to say something in a better english; 2. you don't know how to say something in English and want your teacher to help you.

нужен рассказ по английскому про рождество плиз)))

сколько молекул содержится в 9,8 г серной кислоты?